1640676870

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{289361}}^1$

素因数の和:289387

約数の個数: 80

約数和(自身を含む): 5041843488

約数和(自身を除く): 3401166618

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 289361, 578722, 868083, 1446805, 1736166, 2025527, 2604249, 2893610, 4051054, 4340415, 5208498, 6076581, 7812747, 8680830, 10127635, 12153162, 13021245, 15625494, 18229743, 20255270, 23438241, 26042490, 30382905, 36459486, 39063735, 46876482, 54689229, 60765810, 78127470, 91148715, 109378458, 117191205, 164067687, 182297430, 234382410, 273446145, 328135374, 546892290, 820338435, 1640676870]

約数ペア:

[(1, 1640676870), (2, 820338435), (3, 546892290), (5, 328135374), (6, 273446145), (7, 234382410), (9, 182297430), (10, 164067687), (14, 117191205), (15, 109378458), (18, 91148715), (21, 78127470), (27, 60765810), (30, 54689229), (35, 46876482), (42, 39063735), (45, 36459486), (54, 30382905), (63, 26042490), (70, 23438241), (81, 20255270), (90, 18229743), (105, 15625494), (126, 13021245), (135, 12153162), (162, 10127635), (189, 8680830), (210, 7812747), (270, 6076581), (315, 5208498), (378, 4340415), (405, 4051054), (567, 2893610), (630, 2604249), (810, 2025527), (945, 1736166), (1134, 1446805), (1890, 868083), (2835, 578722), (5670, 289361)]